Jeff Crews

Skills: design, build and maintain voice and data systems. Pre and post sales support to business customers.

Specialties: system administration of various Linux and Windows server operating systems in production environments. Development of automated provisioning and workflow between various distributed platforms.

Proficiency deploying and managing the following on Linux:
DNS, DHCP, SIP, RADIUS, SNMP, SSH, FTP, syslog, SMTP, IMAP4, POP3 and SSL.

Voice service with SS7, PRI, GR-303 and SIP.

Transport systems using wireless, DS1, DS3, GigE fiber.

Script development in ColdFusion, SQL, Bash and Windows batch files.

Monitoring solutions using Nagios and Cacti.

Adtran AOS (specifically using the Total Access 5000, NetVanta and OPTI-6100 platforms), Cisco IOS, SonicWall Enhanced and Mikrotik RouterOS, Asterisk, FreeSWITCH and Wireshark